Laske, C.C.LaskeUlbricht, G.G.UlbrichtHeuberger, A.A.Heuberger2022-03-102022-03-102006https://publica.fraunhofer.de/handle/publica/35245210.1049/cp:20060245This paper describes a novel architecture for a wideband HF power amplifier for multi-carrier application, its target performance and in more detail the use of a vector phase shifter as a critical building block. The proposed architecture is based on a combination of modified feedforward techniques and digital pre-conditioning.en621conference paper